117668863 has 16 divisors (see below), whose sum is σ = 132360480. Its totient is φ = 103856256.

The previous prime is 117668827. The next prime is 117668869. The reversal of 117668863 is 368866711.

It is a cyclic number.

It is not a de Polignac number, because 117668863 - 2⁹ = 117668351 is a prime.

It is a super-2 number, since 2×117668863² = 27691922639425538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117668869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38881 + ... + 41797.

It is an arithmetic number, because the mean of its divisors is an integer number (8272530).

Almost surely, 2^117668863 is an apocalyptic number.

117668863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117668863 is a deficient number, since it is larger than the sum of its proper divisors (14691617).

117668863 is a wasteful number, since it uses less digits than its factorization.

117668863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066.

The product of its digits is 290304, while the sum is 46.

The square root of 117668863 is about 10847.5279672375. The cubic root of 117668863 is about 490.0275744582.

The spelling of 117668863 in words is "one hundred seventeen million, six hundred sixty-eight thousand, eight hundred sixty-three".